22427046 has 24 divisors (see below), whose sum is σ = 51450984. Its totient is φ = 7035840.

The previous prime is 22427039. The next prime is 22427051. The reversal of 22427046 is 64072422.

It is a happy number.

It is a super-2 number, since 2×22427046² = 1005944784572232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36340 + ... + 36951.

It is an arithmetic number, because the mean of its divisors is an integer number (2143791).

Almost surely, 2^22427046 is an apocalyptic number.

22427046 is an abundant number, since it is smaller than the sum of its proper divisors (29023938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22427046 is a wasteful number, since it uses less digits than its factorization.

22427046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73316 (or 73313 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 22427046 is about 4735.7202197765. The cubic root of 22427046 is about 282.0053567716.

Adding to 22427046 its reverse (64072422), we get a palindrome (86499468).

The spelling of 22427046 in words is "twenty-two million, four hundred twenty-seven thousand, forty-six".